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US Patent: 145,601
Drop-Hammers
Patentee:
Jeremiah Tobin (exact or similar names) - Newark, Essex County, NJ

USPTO Classifications:
144/193.1, 72/416, 72/438

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 15, 1873
Granted: Dec. 16, 1873

Patent Pictures:
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